.member{
    /* display: inline-block; */
    width: 200px;
    border: 1px dashed green;
}

.container {
   width: 100%;
   overflow-x: hidden;
   overflow-y:auto;
   position: relative;
}
.holder {
  background-color:
  transparent;
}
.content {
  background-color: white;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
}